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494089 = 716959
BaseRepresentation
bin1111000101000001001
3221002202121
41320220021
5111302324
614331241
74125331
oct1705011
9832677
10494089
11308242
121b9b21
13143b7b
14cc0c1
159b5e4
hex78a09

494089 has 4 divisors (see below), whose sum is σ = 501120. Its totient is φ = 487060.

The previous prime is 494083. The next prime is 494093. The reversal of 494089 is 980494.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 980494 = 2490247.

It is not a de Polignac number, because 494089 - 217 = 363017 is a prime.

It is a Duffinian number.

494089 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (494083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3409 + ... + 3550.

It is an arithmetic number, because the mean of its divisors is an integer number (125280).

2494089 is an apocalyptic number.

It is an amenable number.

494089 is a deficient number, since it is larger than the sum of its proper divisors (7031).

494089 is an equidigital number, since it uses as much as digits as its factorization.

494089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7030.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 494089 is about 702.9146463121. The cubic root of 494089 is about 79.0560409925.

The spelling of 494089 in words is "four hundred ninety-four thousand, eighty-nine".

Divisors: 1 71 6959 494089